CN219617016U

CN219617016U - Rack welding fixture

Info

Publication number: CN219617016U
Application number: CN202320024440.5U
Authority: CN
Inventors: 罗建; 史东阳; 罗忠; 周兵
Original assignee: Dongguan Pangu Manufacturing Technology Co ltd
Current assignee: Dongguan Pangu Manufacturing Technology Co ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-09-01
Anticipated expiration: 2033-01-03

Abstract

The utility model discloses a frame welding fixture, and relates to the technical field of welding fixtures; the utility model comprises a bottom frame, wherein four upright posts are arranged on the bottom frame; the clamping pieces are respectively arranged on the four upright posts and comprise L-shaped plates which are detachably arranged on the upright posts, first screw rods penetrate through threads on two sections of plate bodies of the L-shaped plates, clamping plates are rotatably arranged at the end parts of the first screw rods, and avoiding grooves are formed in two sections of plate bodies of the L-shaped plates in a penetrating manner; according to the utility model, through the four arranged upright posts and the clamping pieces on the four arranged upright posts, the L-shaped plates on the two clamping pieces can support and clamp one longitudinal pipe or transverse pipe, and the four clamping pieces can clamp and fix the whole frame, so that the groove is formed, and the welding of the welding position is not influenced when the frame is clamped and fixed, so that the welding efficiency and the welding quality are improved.

Description

Rack welding fixture

Technical Field

The utility model relates to the technical field of welding clamps, in particular to a frame welding clamp.

Background

The frame is a support assembly of a small machine set, belongs to a main body structure of a general machine and is used for supporting the whole machine, so that high requirements on manufacturing precision are provided, shape and position errors in a standard range are kept, normal operation of the general machine can be ensured, the types of the frame are various, a general frame is a frame assembled by a plurality of transverse pipes, longitudinal pipes and vertical pipes, when the frame is welded, a special welding fixture is usually required to be used for clamping, and due to the special structure of the frame, such as the frame is large in size, normal welding cannot be influenced when the frame is clamped, and welding positions cannot be blocked, so that the general welding fixture cannot be used for comprehensively clamping the frame, and therefore, the welding effect and the welding efficiency are influenced.

Disclosure of Invention

The utility model aims at: to solve the above-described problems in the background, the present utility model provides a frame welding jig.

The utility model adopts the following technical scheme for realizing the purposes:

frame welding jig includes:

the device comprises a bottom frame, wherein four upright posts are arranged on the bottom frame;

four clamping pieces are respectively arranged on the four stand columns, the clamping pieces comprise L-shaped plates which are detachably arranged on the stand columns, first screw rods penetrate through threads on two sections of plate bodies of the L-shaped plates, clamping plates are rotatably arranged at the end parts of the first screw rods, and avoidance grooves are formed in the two sections of plate bodies of the L-shaped plates in a penetrating mode.

Further, a through groove is formed in the upright post in a penetrating mode along the height direction of the upright post, a mounting rod with the end portion movably penetrating through the through groove is arranged on the L-shaped plate, and two nuts are sleeved on the mounting rod in a threaded mode.

Further, two limiting plates are arranged on the L-shaped plate and respectively in abutting lap joint with two opposite sides of the upright post.

Further, two limiting rods are arranged on the clamping plate, and the free ends of the two limiting rods movably penetrate through the L-shaped plate.

Further, the chassis includes a first support plate and two second support plates, wherein:

the first support plate is provided with a first sliding rail along the length direction of the first support plate, the first sliding rail is provided with two first sliding blocks in a sliding manner, the second support plate is respectively arranged on the two first sliding blocks, threads on the first sliding blocks penetrate through screw rods of the first sliding rails, the second support plate is provided with second sliding rails along the length direction of the second support plate, the second sliding blocks are provided with two second sliding blocks in a sliding manner, the threads on the second sliding blocks penetrate through screw rods of the second sliding rails, and the four upright posts are respectively arranged on the four second sliding blocks.

Further, a bearing plate is arranged on the upright post, a first positioning block is fixedly arranged on the bearing plate, a second screw rod penetrates through threads on the bearing plate, and a second positioning block is rotatably arranged at the free end of the second screw rod.

Further, a graduated scale is arranged on the upright post along the height direction of the upright post.

Further, the number of the first support plates is two, and a connecting plate is connected between the two first support plates.

The beneficial effects of the utility model are as follows: through four stands that set up to and the clamping piece on four stands that set up, L shaped plate on two clamping pieces can carry out bearing and centre gripping to a vertical pipe or horizontal pipe, and four clamping pieces can be fixed the whole centre gripping of frame, dodges the seting up in groove, makes when fixed the frame centre gripping, still does not influence the welding of welding position, thereby improves welding efficiency and welding quality.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a partial perspective view of the structure of the present utility model;

FIG. 3 is a partial perspective view of the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 1;

reference numerals: 1. a chassis; 2. a column; 3. a clamping member; 4. penetrating a groove; 5. a mounting rod; 6. a nut; 7. a limiting plate; 8. a limit rod; 9. a carrying plate; 10. a first positioning block; 11. a second screw rod; 12. a second positioning block; 13. a connecting plate; 14. a graduated scale; 101. a first support plate; 102. a second support plate; 103. a first slide rail; 104. a first slider; 105. a second slide rail; 106. a second slider; 301. an L-shaped plate; 302. a first screw rod; 303. a clamping plate; 304. avoiding the groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1 to 4, a frame welding fixture according to an embodiment of the present utility model includes: the device comprises a bottom frame 1, wherein four upright posts 2 are arranged on the bottom frame 1; four clamping pieces 3 are respectively arranged on the four upright posts 2, the clamping pieces 3 comprise L-shaped plates 301 which are detachably arranged on the upright posts 2, first screw rods 302 are penetrated through threads on two sections of plate bodies of the L-shaped plates 301, clamping plates 303 are rotatably arranged at the ends of the first screw rods 302, avoiding grooves 304 are penetrated through the two sections of plate bodies of the L-shaped plates 301, when a frame is welded, a vertical pipe of the frame is erected on the underframe 1, the vertical pipe is made to collide with the inner wall corners of the L-shaped plates 301, then the transverse pipe and the longitudinal pipe are respectively arranged on the two first screw rods 302, one ends, close to each other, of the transverse pipe and the longitudinal pipe are made to collide with the vertical pipe, as shown in figure 3, the two first screw rods 302 are twisted to move in a rotating mode, so that the two clamping plates 303 are respectively matched with the L-shaped plates 301 to clamp and collide with the transverse pipe and the longitudinal pipe, and the vertical pipe are fixed, simultaneously, the avoiding groove 304 is formed, the connecting parts of the vertical pipe, the transverse pipe and the longitudinal pipe are conveniently hollowed out and avoided while the effective fixation of the vertical pipe, the transverse pipe and the longitudinal pipe is not influenced, the welding is convenient, in the actual welding, four vertical pipes of the frame can respectively depend on four upright posts 2, both ends of the transverse pipe and the longitudinal pipe can be simultaneously lapped on first screw rods 302 on two adjacent clamping pieces 3, the whole frame can be clamped and fixed and then welded, the welding quality of the frame is ensured, the L-shaped plate 301 and the upright posts 2 are detachably mounted, the number of the clamping pieces 3 can be correspondingly increased or decreased according to the number of layers of the transverse pipe and the longitudinal pipe of the whole frame, the welding can be carried out after one layer of clamping and fixing, the clamping pieces 3 are adjusted in position after the welding, the other layer of clamping and fixing are carried out, the practicality of the whole device is better.

As shown in fig. 1 and 2, in some embodiments, a through slot 4 is formed in the upright post 2 along the height direction of the upright post, a mounting rod 5 with an end portion movably penetrating through the through slot 4 is arranged on the L-shaped plate 301, two nuts 6 are sleeved on the mounting rod 5 in a threaded manner, when the L-shaped plate 301 is fixed, one nut 6 is sleeved on the mounting rod 5 in a threaded manner, the mounting rod 5 movably penetrates through the through slot 4, another nut 6 is sleeved on the mounting rod in a threaded manner, and finally the two nuts 6 are twisted to abut against the upright post 2, so that the effect of fixing the L-shaped plate 301 on the upright post 2 is achieved, and when the position of the L-shaped plate 301 needs to be adjusted, the height position of the L-shaped plate 301 can be adjusted along the upright post 2 only by loosening the nuts 6.

As shown in fig. 2, in some embodiments, two limiting plates 7 are disposed on the L-shaped plate 301, and the two limiting plates 7 are respectively in interference lap joint with two opposite sides of the upright post 2, and by the arrangement of the two limiting plates 7, the two limiting plates 7 are in interference lap joint with the upright post 2, so that when the position of the L-shaped plate 301 is adjusted, the L-shaped plate 301 can be limited to be always in a horizontal state, and when the transverse pipe and the longitudinal pipe are fixed, the transverse pipe and the longitudinal pipe can both be kept in a horizontal state, so that the integral welding quality of the frame is ensured.

As shown in fig. 2, in some embodiments, two limiting rods 8 are disposed on the clamping plate 303, free ends of the two limiting rods 8 movably penetrate through the L-shaped plate 301, and through the arrangement of the limiting rods 8, the limiting rods are not only used for limiting the clamping plate 303, so that when the first screw rod 302 is twisted to rotate, the clamping plate 303 does not turn, so that the transverse tube and the longitudinal tube can be clamped and fixed conveniently, and through the arrangement of the limiting rods 8, the limiting rods are used for supporting the transverse tube or the longitudinal tube.

As shown in fig. 1 and 4, in some embodiments, the chassis 1 includes a first support plate 101 and two second support plates 102, wherein: the first support plate 101 is provided with a first sliding rail 103 along the length direction of the first support plate, the first sliding rail 103 is provided with two first sliding blocks 104 in a sliding manner, the two second support plates 102 are respectively arranged on the two first sliding blocks 104, the first sliding blocks 104 are threaded to penetrate through screws of which the ends are abutted against the first sliding rail 103, the second support plates 102 are provided with second sliding rails 105 along the length direction of the second sliding blocks, the second sliding rails 105 are provided with two second sliding blocks 106 in a sliding manner, the screws of which the ends are abutted against the second sliding rails 105 are threaded to the second sliding blocks 106, the four upright posts 2 are respectively arranged on the four second sliding blocks 106, the positions of the two second support plates 102 along the first sliding blocks 101 can be adjusted through sliding fit of the first sliding blocks 104 and the second sliding rails 105, the distance between the two upright posts 2 on the same second support plate 102 can be adjusted, the positions of the four upright posts 2 can be adjusted through the integral structure of the underframe 1, and the universality of the whole welding device can be improved.

As shown in fig. 4, in some embodiments, a bearing plate 9 is disposed on the upright 2, a first positioning block 10 is fixedly disposed on the bearing plate 9, a second screw rod 11 is threaded on the bearing plate 9, a second positioning block 12 is rotatably disposed at a free end of the second screw rod 11, preferably, the position of the first positioning block 10 corresponds to that of the L-shaped plate 301, when the vertical pipe is erected, the vertical pipe can be placed on the bearing plate 9 and located between the first positioning block 10 and the second positioning block 12, and then the second screw rod 11 is twisted to rotate so as to fix the vertical pipe by the second positioning block 12 and the first positioning block 10, so that when the frame is welded, the vertical pipes can be positioned and fixed first, and connection alignment of the transverse pipe and the longitudinal pipe is facilitated.

As shown in fig. 1, in some embodiments, the upright 2 is provided with a scale 14 along the height direction thereof, and by setting the scale 14, measurement is facilitated when the fixing clamps 3 are installed, so as to ensure that the clamps 3 on the four uprights 2 are positioned at the same level, and also facilitate adjustment according to the welding position of the frame.

As shown in fig. 1, in some embodiments, the number of first support plates 101 is two, and a connection plate 13 is connected between the two first support plates 101, and the number of first support plates 101 is two and connected through the connection plate 13, so as to improve the overall stability of the chassis 1.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Frame welding jig, its characterized in that includes:

the device comprises a bottom frame (1), wherein four upright posts (2) are arranged on the bottom frame (1);

four clamping pieces (3) are respectively arranged on four stand columns (2), the clamping pieces (3) comprise L-shaped plates (301) which are detachably arranged on the stand columns (2), first screw rods (302) are penetrated through all threads on two sections of plate bodies of the L-shaped plates (301), clamping plates (303) are rotatably arranged at the end parts of the first screw rods (302), and avoidance grooves (304) are formed in all penetrating manners on two sections of plate bodies of the L-shaped plates (301).

2. The welding fixture for the stand according to claim 1, wherein a through groove (4) is formed in the upright post (2) in a penetrating manner along the height direction of the upright post, a mounting rod (5) with the end portion penetrating through the through groove (4) is arranged on the L-shaped plate (301), and two nuts (6) are sleeved on the mounting rod (5) in a threaded manner.

3. The welding fixture for the stand according to claim 1, wherein two limiting plates (7) are arranged on the L-shaped plate (301), and the two limiting plates (7) are respectively in abutting lap joint with two opposite sides of the upright post (2).

4. The welding fixture for the machine frame according to claim 1, wherein two limiting rods (8) are arranged on the clamping plate (303), and the free ends of the two limiting rods (8) movably penetrate through the L-shaped plate (301).

5. The frame welding jig according to claim 1, wherein the chassis (1) comprises a first support plate (101) and two second support plates (102), wherein:

the novel sliding support is characterized in that a first sliding rail (103) is arranged on the first support plate (101) along the length direction of the first sliding rail (103), two first sliding blocks (104) are arranged on the first sliding rail (103) in a sliding mode, two second support plates (102) are respectively arranged on the two first sliding blocks (104), the first sliding blocks (104) are threaded to penetrate through and abut against end portions of the first sliding rail (103) screw rods, the second sliding rails (105) are arranged on the second support plates (102) along the length direction of the second sliding plates, two second sliding blocks (106) are arranged on the second sliding rails (105) in a sliding mode, the second sliding blocks (106) are threaded to penetrate through and abut against end portions of the second sliding rails (105) screw rods, and four upright columns (2) are respectively arranged on the four second sliding blocks (106).

6. The frame welding fixture according to claim 1, wherein a bearing plate (9) is arranged on the upright post (2), a first positioning block (10) is fixedly arranged on the bearing plate (9), a second screw rod (11) is threaded on the bearing plate (9), and a second positioning block (12) is rotatably arranged at the free end of the second screw rod (11).

7. Frame welding jig according to claim 1, characterized in that the upright (2) is provided with a scale (14) in its height direction.

8. The frame welding jig according to claim 5, wherein the number of the first support plates (101) is two and a connection plate (13) is connected between the two first support plates (101).